1.For each of the following pairs of numbers, verify that product 0f numbers is equal to the product of their HCF and LCM.
(a) 10. 15 b) 35, 40 (c) 32, 48.
2.Find HCF and LCM by using the property in Question no. 1. (a) 27, 90 (b) 145, 232 (c) 117, 221
3.Can two numbers have 16 as I-lCF and 380 as LCM? Give reasons.
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1. In all case product of no. Is equal to the product of LCM and HCF.
2. (i) LCM = 270
HCF = 9
(ii) LCM = 1160
HCF = 29
(iii) LCM = 1989
HCF = 13
3. No. Because HCF of two number is factor of its LCM. But in this question when we divide 380 with 16 we get 12 as remainder.
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2. (i) LCM = 270
HCF = 9
(ii) LCM = 1160
HCF = 29
(iii) LCM = 1989
HCF = 13
3. No. Because HCF of two number is factor of its LCM. But in this question when we divide 380 with 16 we get 12 as remainder.
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